名校
1 . 已知函数
.
(1)若
的图象在
处的切线方程是
,求实数
;
(2)若
有两个极值点,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8706a01c5e072438b974cfe26892fc5e.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58153bf3fdc83363cb5a23a2740d3778.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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名校
2 . 已知函数
.
(1)讨论函数
的单调性;
(2)若
恒成立,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f22ddb6757d2e6ad14b2e8d3e1ee3b1f.png)
(1)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dc9ede2e55724383dd1093fc7fcdb59.png)
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3 . 已知复数
为虚数单位
.
(1)求
;
(2)求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55de35bad4fa0af5c36932b18c8a8053.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04582116cd765fcc5a52f44279ad6c94.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a58c9b59db78d9edf5b9f0e82f1f4228.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d8b3f66119c2ce542984d12eb2b6b77.png)
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4 . 设函数
,
,
,记
.
(1)求曲线
在
处的切线方程;
(2)求函数
的单调区间;
(3)若函数
的图象恒在
的图象的下方,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdf01622baa63c9d8e64fd9c0d851be7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87f410890a33f9fa57a90abb2cd2eb89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22dd8b3dc4c609bab82d356a5cc2208d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4633de9335d15d7685bdecb007a3678c.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46be55c8f2760d6db125f46691a3de48.png)
(3)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdf01622baa63c9d8e64fd9c0d851be7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87f410890a33f9fa57a90abb2cd2eb89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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5 . 已知函数
.
(1)求函数
在点
处的切线方程;
(2)求函数
在
的最大值和最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f602aeec9b0c5a83d2c126862be7a9f2.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef00713e73b8357cc7900144f5505bc6.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2aa311daf7a73f8c45de4462f9d92b6.png)
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6 . 已知函数 ![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5dd63ee8ce3c4fc5c1c9bbc37e962f64.png)
(1)讨论函数
的单调性;
(2)设
,当
时,若
对任意
都成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5dd63ee8ce3c4fc5c1c9bbc37e962f64.png)
(1)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb93510588b0dbc8989558b5e97352fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bdf04f070224d193aaa2d0b13b96d48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66692ec49a458f9e48c7315d03dfc37b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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7 . 已知函数
,(e为自然对数的底数,且
).
(1)讨论
的单调性;
(2)若
有两个零点,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/341f0a545214d81e9911ec1ff5517c86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1fe2115d883d13561e28006d3f6143b.png)
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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6卷引用:甘肃省张掖市某重点校2022-2023学年高二下学期3月月考数学试题
甘肃省张掖市某重点校2022-2023学年高二下学期3月月考数学试题(已下线)专题09 函数零点问题的综合应用-1(已下线)第三章 重点专攻三 函数零点问题(核心考点集训)广东省汕头市金山中学2019-2020学年高三上学期期中数学(文)试题(已下线)第22讲 零点问题之两个零点-突破2022年新高考数学导数压轴解答题精选精练(已下线)重难点突破09 函数零点问题的综合应用(八大题型)
名校
解题方法
8 . 已知函数
有两个极值点
.
(1)求实数
的取值范围;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbe31ffadf29ee8f411af408f62eba70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a65d4331d1effd9b7e260f92d29b2bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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9 . 已知函数
.
(1)若曲线
在点
处的切线与
轴,
轴分别交于点
,求
的面积(
为坐标原点);
(2)求与曲线
相切,并过点
的直线方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f8b5fc35b66bfa3f70ef09d88901fdb.png)
(1)若曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f10d8b629e533f66058a2613ea712913.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4f02028a3847c4807c2d3cf0ea7efb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
(2)求与曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7160d93f92089ef36f3dab809d3114b8.png)
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名校
解题方法
10 . 已知
.
(1)求证:当
时,
;
(2)若对于
,
恒成立.
①求
的最大值;
②当
取最大值肘,若函数
,求证:对于
,
,恒有
(
为自然对数的底).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/009f8b85632527466dd38980e8d1e280.png)
(1)求证:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc3e321b0932323e063aa03470db808b.png)
(2)若对于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e81b4aac721bcd4a49593b48a28a8f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29c7572463225bb3b65cb371f4496440.png)
①求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
②当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85cce450964526c304b42fcfafa4d2cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3881fa7fc347ccb2d46de69dc041907d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1e1b2fc3d27f0953c953a4cbad2c199.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcfd1482d3f2e4cc68850497d952e465.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/041a7c8fc017f596542c5e6ec7d1c40b.png)
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